5. An attendant of a car wash is paid according to the numberof cars that pass through. Suppose the probability are 1/12,1/12, 1/4, 1/4, 1/6, and 1/6 respectively, that theattendant receives $7, $9, $11, $13, $15 and $17 between4:00 PM and 5:00 PM on any sunny Friday. Find theattendant's expected earnings for this particular period.

Given that x 7 9 11 13 15 17 P(X=x) 1/12 1/12 1/4 1/4 1/6 1/6 Find the expected earnings…

Answered: 5. An attendant ofa car wash is paid…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Similar questions

Given that every ninth person in line will get a coupon for a free box of popcorn at the movies, what is the probability that you don’t get a coupon when you’re in line? Enter a fraction or round your answer to 44 decimal places, if necessary.
2. The probability that the San Jose Sharks will win any given game is 0.3694 based on a 13-year win history of 382 wins out of 1034 games played (as of a certain date). An upcoming monthly schedule contains 12 games. What is the probability that the San Jose Sharks win 5 games in that upcoming month? Let X = number of games won in that upcoming month. (Round your answer to four decimal places.)
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A friend promises to call you at home sometime between 3 p.m. and4 p.m. At 2:45 p.m. you must leave your house unexpectedly for half anhour. What is the probability you miss the first call?
Find the probability that the total number of breakdowns that occur in a particular 4-week period is exactly 10, giving the answer to 4 decimal places.
A family has two cars that are insured, a sports car and a commuting vehicle. The probability that the sports car is in an accident in the next 4 years is 0.014. The probability that the commuting vehicle is in an accident in the next 4 years is 0.004. Assuming that accidents are independent events, compute the probability that at least one of the two cars is in an accident in the next 4 years. Use three decimal place accuracy. (Don't hand writing solution)
4. The time between calls to a plumbing supply business is exponentially distributed with a mean time between calls of 15 minutes. What is the probability that there are no calls within a 30-minute interval?
The auto parts department of an automotive dealership sends out a mean of 4.4 special orders daily. What is the probability that, for any day, the number of special orders sent out will be no more than 5? Round your answer to four decimal places.
A group of people were asked if they had run a red light in the last year. 147 responded "yes", and 399 responded "no".Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal accurate to at least 3 decimal places
Nissa is randomly pulling the medical records of a hospital's patients and collecting the records of those who have multiple stays at this hospital. Assume that 27% of all patients who have ever stayed at this hospital have multiple stays. What is the probability that the first multiple stays patient record that Nissa comes across is the fourth one she pulls? Use a TI-83, TI-83 Plus, or TI-84 calculator to find the probability. • Round your answer to three decimal places.
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